2. 4 Measuring Computer Performance 1. interval n、间隔,间歇 2 parameter n,参数 3. initialize v.初始化 initialization n.初始化 4. derived class派生类 In object-oriented programming, a class created from another class called the base class. a derived class inherits all the features of its base class 在面向对象程序设计中,从基类中产生的类。派生 类继承基类所以的属性。18 2.4 Measuring Computer Performance 1. interval n. 间隔，间歇 2. parameter n. 参数 3. initialize v. 初始化 initialization n. 初始化 4. derived class 派生类 In object-oriented programming, a class created from another class,called the base class. A derived class inherits all the features of its base class. 在面向对象程序设计中，从基类中产生的类。派生 类继承基类所以的属性